Home / 190,239.18-262,532.82-109,665.24

Finding the Fourth Proportional to 190,239.18, 262,532.82 and 109,665.24

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Solution

The fourth proportional to 190,239.18, 262,532.82 and 109,665.24 is: 151,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,239.18 : 262,532.82 = 109,665.24 : x
  2. Step 2: Convert to fraction form
    190,239.18/262,532.82 = 109,665.24/x
  3. Step 3: Cross multiply
    190,239.18x = 262,532.82 × 109,665.24
  4. Step 4: Simplify right side
    190,239.18x = 28,790,724,713.18
  5. Step 5: Solve for x
    x = 28,790,724,713.18/190,239.18
  6. Step 6: Final answer
    x = 151,339.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.